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On Tue, 11 Dec 2012 07:36:10 -0600 |
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Bruce Hill <daddy@×××××××××××××××××××××.com> wrote: |
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> On Sun, Dec 09, 2012 at 04:48:24PM +0000, Neil Bothwick wrote: |
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> > |
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> > > workstation ~ # emerge -a @preserved-rebuild |
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> > > emerge: 'preserved-rebuild' is an empty set |
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> > > emerge: no targets left after set expansion |
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> > |
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> > So you have nothing that needs rebuilding. Portage will warn you |
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> > when the set it non-empty, telling you to run emerge |
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> > @preserved-rebuild. There is no need to run it at any other time. |
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> |
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> After using Gentoo for close to two years, the only time/place I've |
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> ever even seen @preserved-rebuild is in this thread. Yet you say, |
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> "Portage will warn you when the set is [it] non-empty, telling you to |
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> run emerge @preserved-rebuild." |
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> |
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> How will portage do this? An alias 'ud' |
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> |
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> alias ud='eix-sync && emerge -aDjNuv @world && dispatch-conf && |
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> emerge -a --depclean && revdep-rebuild -i && clear && exit' |
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> |
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> is run every morning with my first cup of coffee. If something were |
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> changed or left off that alias do you suppose this mysterious |
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> @preserved-rebuild would be run? |
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No, you would likely never see it. Your alias runs revdep-rebuild, |
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which would inelegantly fix the very problem that @preserved-rebuild |
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elegantly fixes. |
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Of course, all this assumes that your version of portage supports |
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@preserved-rebuild |
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To use it, you simply notice the portage message right at the end of an |
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emerge and run "emerge @preserved-rebuild" - it's just a regular emerge |
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using a particular built-in set that has a defined purpose |
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-- |
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Alan McKinnon |
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alan.mckinnon@×××××.com |
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